SEISMIC DATA ACQUISITION SYSTEM COMPRISING MODULES ASSOCIATED WITH UNITS CONNECTED TO SENSORS, THE MODULES BEING AUTONOMOUS WITH RESPECT TO POWER SUPPLY, SYNCHRONISATION AND STORAGE
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United States of America Patent
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app pub date -
Nov 29, 2011
filing date -
Nov 25, 2008
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Abandoned
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Abstract
A module for operation in a seismic data acquisition system is described. The seismic data acquisition system includes a cabled network with a plurality of acquisition lines having electronic units assembled in series along a telemetry cable. Each electronic unit is associated with at least one seismic sensor and processes signals transmitted by the sensor(s). The module is designed to be associated with at least one of the electronic units to provide power supply and synchronization to the electronic unit(s). The module includes: autonomous synchronization means; bidirectional and autonomous power supply means to power at least one electronic unit upstream and/or downstream from the module; and means for storing and processing the signals processed by the electronic units, the storage means being bidirectional to store the signals from at least one electronic unit upstream and/or downstream from the module.
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